-BlockAllocator is no longer template

-Multithreaded IDManager.getNewID()
 *use implementation with free IDs stack (instead of classic pool)
-support for multiple UpdatePasses. Passes are added by name, and must be called between begin() end() functions.
-removed mutex from addEntity()
-commit() function added. Used to commit all changes made while update() call. Called automatically by begin() end() functions.

source/ecs/events.d

@@ -17,10 +17,10 @@ mixin template EventManagerCode()
 
     //@disable this();
 
-    this(EntityManager m)
+    /*this(EntityManager m)
     {
         manager = m;
-    }
+    }*/
 
     void sendSelfEvent(Ev)(EntityID id, Ev event)
     {
@@ -120,6 +120,6 @@ mixin template EventManagerCode()
     EventList current_events;
     EventList process_events;
 
-    BlockAllocator!(events_block_size, events_blocks_in_allocation) allocator;
+    BlockAllocator/*!(events_block_size, events_blocks_in_allocation)*/ allocator;
     EntityManager manager;
 }